As a writer and editor of novels, I found May’s theme to be challenging. Even after completing a Writer’s Digest course in short-story writing twenty-five-plus years ago, I favored the longer, more complex content of the book-length tale—and I still do, both for reading and for writing.   Recently, however, an author whose fantasy novel I had edited decided to write companion short stories to give her readers some background on the main characters in her published book. The shorts, which range from 30 to 40 pages in length, will be made available to readers who want to know a bit of the back story that led up to the moment where the book started. It was an interesting idea to me, and I found myself quite taken with the history and events that shaped her characters into the beings that populated her novel.   The more I read, the more I saw the value in these peeks into a character’s past—particularly in the case of life forms from alien worlds. Having said that, I believe ...